FramebufferFun/main.cpp

#include "framebuffer.hpp"
#include <unistd.h>
#include <signal.h>

const unsigned int SECOND = 1000000;

Framebuffer fb{"/dev/fb0"};

void exitHandler(int s) {
	printf("Caught signal %d\n", s);
	fb.done();
	exit(-1);
}

int main() {
	if(fb.init() != 0) return -1;

	struct sigaction sigIntHandler;

	sigIntHandler.sa_handler = exitHandler;
	sigemptyset(&sigIntHandler.sa_mask);
	sigIntHandler.sa_flags = 0;
	sigaction(SIGINT, &sigIntHandler, NULL);

	int counter = 0;
	while(true) {
		unsigned int color = (counter == 0) ? COLOR_RED : 
													((counter == 1) ? COLOR_GREEN : COLOR_BLUE);

		int success = fb.clear(color);

		if(success != 0) {
			fb.done();
			return -1;
		}
		
		if(counter < 2)
			counter++;
		else
			counter = 0;

		usleep(SECOND);
	}

	fb.done();
	
	return 0;
}